Abstract
Publisher Summary This chapter describes a few techniques of correlation experiments. A relatively simple system 3 He + 3 H = A + B + C is considered where all possible charged particle pairs A,B can be detected and particle C is left undetected, either charged or neutral. There are 18 possible charged particle pairs. A few are two-body reactions and, thus, do contribute only at particular angle pairs; a few may not be kinematically allowed at all angle pairs and a few may be created in only small amounts. In most instances, the elastic scattering of the beam itself from the target will create an undesirable chance coincidence background. In a few cases, identification of one particle may be sufficient, but in general, both pairs will have to be identified. The chapter discusses all the salient features of a three particle system where two particles are detected. The pronounced peaks are shown to illustrate some dynamical situations such as final state interactions or quasi-free scattering. Such individual loci are generated for all allowed particle pairs in a three-body reaction and may cross each othe, or be so close together as to be experimentally very difficult to distinguish.
Published Version
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